ID CYB5L_MIMIV Reviewed; 124 AA. AC Q5UR80; DT 13-SEP-2005, integrated into UniProtKB/Swiss-Prot. DT 07-DEC-2004, sequence version 1. DT 27-MAR-2024, entry version 62. DE RecName: Full=Cytochrome b5-like protein; GN OrderedLocusNames=MIMI_L628; OS Acanthamoeba polyphaga mimivirus (APMV). OC Viruses; Varidnaviria; Bamfordvirae; Nucleocytoviricota; Megaviricetes; OC Imitervirales; Mimiviridae; Megamimivirinae; Mimivirus; OC Mimivirus bradfordmassiliense. OX NCBI_TaxID=212035; OH NCBI_TaxID=5757; Acanthamoeba polyphaga (Amoeba). RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=Rowbotham-Bradford; RX PubMed=15486256; DOI=10.1126/science.1101485; RA Raoult D., Audic S., Robert C., Abergel C., Renesto P., Ogata H., RA La Scola B., Susan M., Claverie J.-M.; RT "The 1.2-megabase genome sequence of Mimivirus."; RL Science 306:1344-1350(2004). CC -!- FUNCTION: Membrane bound hemoprotein which function as an electron CC carrier for several membrane bound oxygenases. {ECO:0000250}. CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000305}; Single-pass membrane CC protein {ECO:0000305}. CC -!- SIMILARITY: Belongs to the cytochrome b5 family. {ECO:0000305}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AY653733; AAV50889.1; -; Genomic_DNA. DR RefSeq; YP_003987146.1; NC_014649.1. DR SMR; Q5UR80; -. DR GeneID; 9925270; -. DR KEGG; vg:9925270; -. DR Proteomes; UP000001134; Genome. DR GO; GO:0016020; C:membrane; IEA:UniProtKB-SubCell. DR GO; GO:0020037; F:heme binding; IEA:InterPro. DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW. DR Gene3D; 3.10.120.10; Cytochrome b5-like heme/steroid binding domain; 1. DR InterPro; IPR001199; Cyt_B5-like_heme/steroid-bd. DR InterPro; IPR036400; Cyt_B5-like_heme/steroid_sf. DR InterPro; IPR018506; Cyt_B5_heme-BS. DR PANTHER; PTHR19359; CYTOCHROME B5; 1. DR Pfam; PF00173; Cyt-b5; 1. DR PRINTS; PR00363; CYTOCHROMEB5. DR SMART; SM01117; Cyt-b5; 1. DR SUPFAM; SSF55856; Cytochrome b5-like heme/steroid binding domain; 1. DR PROSITE; PS00191; CYTOCHROME_B5_1; 1. DR PROSITE; PS50255; CYTOCHROME_B5_2; 1. PE 3: Inferred from homology; KW Electron transport; Heme; Iron; Membrane; Metal-binding; KW Reference proteome; Transmembrane; Transmembrane helix; Transport. FT CHAIN 1..124 FT /note="Cytochrome b5-like protein" FT /id="PRO_0000166036" FT TRANSMEM 5..22 FT /note="Helical" FT /evidence="ECO:0000255" FT DOMAIN 49..124 FT /note="Cytochrome b5 heme-binding" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00279" FT BINDING 84 FT /ligand="heme" FT /ligand_id="ChEBI:CHEBI:30413" FT /ligand_part="Fe" FT /ligand_part_id="ChEBI:CHEBI:18248" FT /note="axial binding residue" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00279" FT BINDING 108 FT /ligand="heme" FT /ligand_id="ChEBI:CHEBI:30413" FT /ligand_part="Fe" FT /ligand_part_id="ChEBI:CHEBI:18248" FT /note="axial binding residue" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00279" SQ SEQUENCE 124 AA; 14602 MW; 876334A499952E9B CRC64; MTYNYLLILI IIYVIKIICR YFKQKNELQM ESKTNLDSSK LVDPINQVNQ INQVNQVNQT NQTDKIIVSF RGDKYDITDF LRKHPGGKNI LIKNNGKDIE ELMAEYEHSK NAYLILSKYK ITEK //